There is no sound from both the TV speakers and the Bluetooth headphones or audio device connected to the TV headphone jack. (A9F, Z9F series)

The TV cannot output sound from both the TV speakers and the audio device connected to the TV headphone jack at the same time.To hear sound from the TV speakers and the audio device at the same time, connect to the DIGITAL AUDIO OUT terminal.

If you are using Bluetooth headphones

The TV cannot output sound from both the TV speakers and Bluetooth headphones at the same time.